 If you liked
Death Note
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 ...then you might like
Boogiepop wa Warawanai (2019)
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Both heavily explore the human concept "right and wrong," and just overall invest a lot into that specific thing. Both shows have well developed complicated characters, one being literally the second Light Yagami. Both shows have characters that strive to cleanse the world because it's "corrupt," or for some other obscure reasoning.